SLUAAV6 September   2024 TPS56837 , TPS56837H

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 USB Type-C Power Delivery Introduction
    2. 1.2 TPS56837HA Introduction
    3. 1.3 Block Diagram of TPS56837HA in USB Type-C Power Delivery Application
  5. 2PD Controller GPIO to Configure TPS56837HA Dynamically Output Change
    1. 2.1 Typical Application
    2. 2.2 Test Results
      1. 2.2.1 Dynamically Change Waveforms
      2. 2.2.2 Efficiency Curves
      3. 2.2.3 Thermal Pictures
  6. 3PD Controller Dedicated FB Pin to Control TPS56837HA Dynamic Output Change
    1. 3.1 FB Current Injection PD Controller
    2. 3.2 Rfb Integrated PD Controller
  7. 4Summary
  8. 5References

2.2.1 Dynamically Change Waveforms

Figure 2-2 and Figure 2-3 show output voltage changes from 5Vout to 20Vout / 20Vout to 5Vout at 24Vin 5A, respectively. Results indicate output transitions are smooth and transition slew rate are within 30mV/us.

24Vin-5Vout to 20Vout at 5A (Vout Slew Rate: 13.3V/ms)Figure 2-2 24Vin-5Vout to 20Vout at 5A (Vout Slew Rate: 13.3V/ms)
24Vin-20Vout to 5Vout at 5A (Vout Slew Rate: 2.9V/ms)Figure 2-3 24Vin-20Vout to 5Vout at 5A (Vout Slew Rate: 2.9V/ms)